Home / 1,099,974.06-1,649,968.38-426,130.20

Finding the Fourth Proportional to 1,099,974.06, 1,649,968.38 and 426,130.20

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Solution

The fourth proportional to 1,099,974.06, 1,649,968.38 and 426,130.20 is: 639,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,974.06 : 1,649,968.38 = 426,130.20 : x
  2. Step 2: Convert to fraction form
    1,099,974.06/1,649,968.38 = 426,130.20/x
  3. Step 3: Cross multiply
    1,099,974.06x = 1,649,968.38 × 426,130.20
  4. Step 4: Simplify right side
    1,099,974.06x = 703,101,355,763.08
  5. Step 5: Solve for x
    x = 703,101,355,763.08/1,099,974.06
  6. Step 6: Final answer
    x = 639,198.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.